The Cenotes and reefs can be harmed by sunscreen even if it is biodegradable. Some guides will ask that you refrain from using it. Because of this, bring some a long sleeved shirt and hat so you will not get burned. The best, if you can find it would be insect resistant clothes for those occasions.
- Biodegradable sunscreen
- Insect Repellent
- Light weight cotton shirts and shorts
- Bathing suits or swimming trunks
- Sandals (like Teva)
- Good walking shoes
- One dress up outfit or sundress for women that you would be comfortable wearing in a night club
- A pair of long pants for riding horses
- You can buy the sunscreen there
- You can buy a hat there.